Let Fresh Air in but Keep Dust, Dirt and Pollen Out
Love fresh air but hate pollen, ragweed and other allergens? A must for allergy sufferers, these Safeguard Window Filters filter out 94% of ragweed pollen, dust and dirt but still let fresh filtered air in. State-of-the-art screen filters even keep rain and wind out too so you can use them year `round. Just slip inside your window and expand to fit. Durable aluminum and vinyl with poly-fiber filter.